How severe is CVE-2022-26707?

CVE-2022-26707 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-26707 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-26707?

CVE-2022-26707 affects Apple Macos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-26707?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-26707 published?

CVE-2022-26707 was published on 2022-09-23 and last updated on 2026-06-17.

CVE-2022-26707

CVE-2022-26707 is a medium-severity vulnerability in Apple Macos with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Apple Macos
Published: 2022-09-23
Last modified: 2026-06-17

Description

An issue in the handling of environment variables was addressed with improved validation. This issue is fixed in macOS Monterey 12.4. A user may be able to view sensitive user information.

Frequently asked questions

What is CVE-2022-26707?: An issue in the handling of environment variables was addressed with improved validation. This issue is fixed in macOS Monterey 12.4. A user may be able to view sensitive user information.
How severe is CVE-2022-26707?: CVE-2022-26707 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-26707 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-26707?: CVE-2022-26707 affects Apple Macos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-26707?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-26707 published?: CVE-2022-26707 was published on 2022-09-23 and last updated on 2026-06-17.

References

https://support.apple.com/en-us/HT213257

Affected products (1)

cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

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